betranthanh / ios-swift-uicollectionviewcell-from-xib

let MyCollectionViewCellId: String = "MyCollectionViewCell"

let nibCell = UINib(nibName: MyCollectionViewCellId, bundle: nil)
collectionView.register(nibCell, forCellWithReuseIdentifier: MyCollectionViewCellId)

extension ViewController: UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return 1
    }
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return 10
    }
    
    func collectionView(_ collectionView: UICollectionView,
                        layout collectionViewLayout: UICollectionViewLayout,
                        insetForSectionAt section: Int) -> UIEdgeInsets {
        let inset = 10
        return UIEdgeInsetsMake(CGFloat(inset), CGFloat(inset), CGFloat(inset), CGFloat(inset))
    }
    
    func collectionView(_ collectionView: UICollectionView,
                        layout collectionViewLayout: UICollectionViewLayout,
                        sizeForItemAt indexPath: IndexPath) -> CGSize {
        return CGSize.init(width: UIScreen.main.bounds.width - 20, height: 80)
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: MyCollectionViewCellId, for: indexPath) as! MyCollectionViewCell
        
        
        return cell
    }
}